Digital network including early packet discard mechanism with ad

Details Digital network including early packet discard mechanism with ad Digital network including early packet discard mechanism with ad

1995-05-22

1999-08-10

Maung, Zami

Multiplex communications

Data flow congestion prevention or control

370230, 370234, 370235, 709235, H04L 1256

Patent

active

059369396

ABSTRACT:
A computer network includes a plurality of routing nodes, each routing node being connected to selected ones of the other routing nodes and at least some of the routing nodes being connected to one of a plurality of packet sources or one of a plurality of packet destinations. Each routing node routes packets that are generated by the packet sources to respective ones of the packet destinations, each packet including a plurality of serially-transmitted cells. At least some of the routing nodes, in response to detection of a selected degree of congestion, enable an "early packet discard control arrangement," in which they discards cells which they receive which are related to packets for which they did not receive a cell prior to enabling the early packet discard control arrangement. The routing nodes periodically adjust the degree of congestion at which they will activate the early packet discard mechanism in relation to information corresponding to rates of reception and transmission of cells over a selected period of time prior thereto.

REFERENCES:
patent: 5317563 (1994-05-01), Oouchi et al.
patent: 5583858 (1996-12-01), Hanaoka
Parviz Yegani "performance models for ATM switching of mixed continuous-bit-rate and bursty traffic with threshold-based discarding", IEE publication 1992, pp. 1621-1627.
Allen R. Bonde, Jr. and Sumit Ghosh "a comparative study of fuzzy versus fixed thresholds for robust queue management in cell switching networks", IEEE publication, pp. 337-344, Aug. 1994.
Henning Schulzrinne and James F. Kurose and Dom Towsley "congestion control for real-time traffic in high speed networks", pp. 543-550, 1990.
S. Suri, D. Tipper and G. Meempat "a comparative evaluation of space priority strategies in ATM networks", pp. 516-523, 1994.
Allyn Romanow and Sally Floyd, "Dynamics of TCP Traffic over ATM Networks" Sigcomm '94 Aug. 1994, pp. 79-88.

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